Neptune

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Nep·tune

 (nĕp′to͞on′, -tyo͞on′)
n.
1.
a. Roman Mythology The god of water, later identified with the Greek Poseidon.
b. The sea.
2. The eighth planet from the sun, having a sidereal period of revolution around the sun of 164.8 years at a mean distance of 4.5 billion kilometers (2.8 billion miles), a mean equatorial diameter of 49,528 kilometers (30,775 miles), and a mass 17.25 times that of Earth.

[Latin Neptūnus.]

Nep·tu′ni·an (-to͞o′nē-ən, -tyo͞o′-) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Neptune

(ˈnɛptjuːn)
n
(Classical Myth & Legend) the Roman god of the sea. Greek counterpart: Poseidon

Neptune

(ˈnɛptjuːn)
n
(Astronomy) the eighth planet from the sun, having fourteen known satellites, the largest being Triton and Nereid, and a faint planar system of rings or ring fragments. Mean distance from sun: 4497 million km; period of revolution around sun: 164.8 years; period of rotation: 14 to 16 hours; diameter and mass: 4.0 and 17.2 times that of earth respectively
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Nep•tune

(ˈnɛp tun, -tyun)

n.
1. the Roman god of the sea, identified with the Greek god Poseidon.
2. the sea or ocean: Neptune's mighty roar.
3. the planet eighth in order from the sun, having an equatorial diameter of 30,200 mi. (48,600 km), a mean distance from the sun of 2794.4 million mi. (4497.1 million km), a period of revolution of 164.81 years, and at least six moons.
Nep•tu′ni•an, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Nep·tune

(nĕp′to͞on′)
The eighth planet from the sun and the fourth largest, with a diameter almost four times that of Earth. Neptune has a very active weather system with extremely long and powerful storms. It is the coldest planet in the solar system, with an average surface temperature of -330°F (-201°C). See Table at solar system. See Note at planet.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Neptune - (Roman mythology) god of the seaNeptune - (Roman mythology) god of the sea; counterpart of Greek Poseidon
Roman mythology - the mythology of the ancient Romans
2.Neptune - a giant planet with a ring of ice particles; the 8th planet from the sun is the most remote of the gas giants; "the existence of Neptune was predicted from perturbations in the orbit of Uranus and it was then identified in 1846"
solar system - the sun with the celestial bodies that revolve around it in its gravitational field
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
Neptun
NeptunNeptunusNeptuun
Neptunus
Neptúnus
ネプチューン海王星
넵튠해왕성
Neptunus
Neptūnas
Neptūns
Neptun
Netuno
Neptún
Neptun
NeptunНептун
Neptunus

Neptune

[ˈneptjuːn] NNeptuno m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

Neptune

n (Astron, Myth) → Neptun m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

Neptune

[ˈnɛptjuːn] n (Myth, Astron) → Nettuno
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
Johann Galle (1812-1910) sighted Neptune within one hour of beginning the hunt for Le Verrier's planet, becoming the first person to see Neptune and recognize he was looking at a new planet.